As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR WOULD NOT RETRACT, GEAR HANDLE STUCK IN DOWN POSITION. SERVICED NLG STRUT IAW MM 12-10-35. PERFORMED SEVERAL LANDING GEAR EXTENSIONS AND RETRACTIONS LANDING GEAR OPERATED NORMAL. GOOD INDICATIONS. NO DEFECTS NOTED AT THIS TIME. ALL GEAR SWINGS DONE IAW MM 32-20-00.